Megaphone with a 4-1/2" outlet. Bandit baffles, triple step: first step, 1-7/8" solid tube for scavenging power and torque; second step, transitions to 2-1/2" OD #120 louvered tube to propel into the final chamber, which is a 3" OD perforated with over 200 holes orchestrating a very deep thundering rumble.<br><br><strong>Features:</strong><ul><li>Removable baffle</li><li>Black or chrome end cap</li><li>Deep throat thundering sound</li><li>One-year manufacturer's warranty</li><li>100% American made</li></ul><br>